Twelve months ago, Mandy Johnson - aka 'The Accidental HR Revolutionary' - was a self-confessed "social media dinosaur". Today, however, Mandy's a convert to social media and is active on both Twitter and LinkedIn; indeed, her presence on both platforms is having a positive impact on her personal brand-based business.

In this discussion with the PR Warrior Trevor Young, Mandy outlines her approach to Twitter, including how she participates in hashtag conversations and the importance of using the medium to build relationships on a global scale. Mandy talks about the power of blogging and why expressing ideas that you're passionate about is a surefire way to attract an audience on social channels.